The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-869-1983, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-869-1983 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Extended Washer Thickness | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Head Height | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Fastener Length | 3.580 INCHES MINIMUM AND 3.600 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Thread Length | 0.630 INCHES MINIMUM IN |
| Material Document and Classification | AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 2.120 INCHES MINIMUM AND 2.140 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 2.730 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.010 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 4 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY OVERALL |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 2.930 INCHES MINIMUM AND 2.950 INCHES MAXIMUM IN |
| Third Diameter From Head | 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3008T48P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-869-1983 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-869-1983: Fourth Diameter From Head: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Extended Washer Thickness: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Head Height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Fastener Length: 3.580 INCHES MINIMUM AND 3.600 INCHES MAXIMUM IN. 23 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.